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<div class="moz-cite-prefix">Hello Martin!<br>
<br>
11.11.2016 16:48, Martin J. O'Riordan via cfe-dev пишет:<br>
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<blockquote cite="mid:002b01d23c22$40aab690$c20023b0$@movidius.com"
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<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">I am working on
adding ‘</span><span
style="font-size:12.0pt;font-family:"Courier
New";color:black">scan-build</span><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">’ to the set of
tools we include with our release of ‘</span><span
style="font-size:12.0pt;font-family:"Courier
New";color:black">clang</span><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">’, and trying
to determine the minimal set of components needed to be able
to successfully use ‘</span><span
style="font-size:12.0pt;font-family:"Courier
New";color:black">scan-build</span><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">’. The
documentation for this is fairly thin, so there are many
things I am having to learn.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">Currently we
just provide the compiler itself, along with the headers and
libraries for our SHAVE target. I would like to add a lot
of the additional tools and utilities that CLang/LLVM
provide with future versions, ‘</span><span
style="font-size:12.0pt;font-family:"Courier
New";color:black">scan-build</span><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">’ is one of
these, and ‘</span><span
style="font-size:12.0pt;font-family:"Courier
New";color:black">clang-tidy</span><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">’, etc., but
not a complete set.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">In addition to
the ‘</span><span
style="font-size:12.0pt;font-family:"Courier
New";color:black">scan-build</span><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">’ Perl script
itself, I also need the ‘</span><span
style="font-size:12.0pt;font-family:"Courier
New";color:black">ccc-analyzer</span><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">’ and ‘</span><span
style="font-size:12.0pt;font-family:"Courier
New";color:black">c++-analyzer</span><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">’ Perl scripts,
and this appears to run without error; but I would like to
know are their other components that I need to ensure that
it is fully functional?</span></p>
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</blockquote>
As I remember, Perl scan-build doesn't have any additional
dependencies.<br>
<blockquote cite="mid:002b01d23c22$40aab690$c20023b0$@movidius.com"
type="cite">
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<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">I would like to
know what is the “core set” of analysers? I listed the full
set of analysers in ‘</span><span
style="font-size:12.0pt;font-family:"Courier
New";color:black">clang</span><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">’ v3.9.0 and
some of these names are prefixed with ‘</span><span
style="font-size:12.0pt;font-family:"Courier
New";color:black">core.</span><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">’ so I presume
these are the ones that comprise the core set? </span></p>
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</blockquote>
The "core" set is responsible for basic modelling of some functions
in path-sensitive mode, they are not the analyzer core itself.
Shortly, analyzer has two kinds of checkers - AST/CFG based (fast)
and path-sensitive (slow but more powerful). If you need any
path-sensitive checkers, you should also enable "core" checkers for
more precise modelling.<br>
<br>
// TODO: enable "core" automatically in such cases?<br>
<blockquote cite="mid:002b01d23c22$40aab690$c20023b0$@movidius.com"
type="cite">
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<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">When enabling
others I presume I have to add a comma-separated list to the
‘</span><span
style="font-size:12.0pt;font-family:"Courier
New";color:black">-enable-checker</span><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">’ option, for
example ‘</span><span
style="font-size:12.0pt;font-family:"Courier
New";color:black">debug.Stats,unix.Malloc</span><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">’. The names
in the list of checks are formed with separating dot
characters, does selecting something like ‘</span><span
style="font-size:12.0pt;font-family:"Courier
New";color:black">security</span><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">’ enable all
the checkers in the ‘</span><span
style="font-size:12.0pt;font-family:"Courier
New";color:black">security.*</span><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">’ group, or do
I have to enable them one at a time?</span></p>
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</blockquote>
To enable a full package, you should just point it. Example:
"-enable-checker core,security"<br>
<blockquote cite="mid:002b01d23c22$40aab690$c20023b0$@movidius.com"
type="cite">
<div class="WordSection1">
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">Sorry if this
is all answered in some part of the documentation I haven’t
found, and please point me at it.</span></p>
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</blockquote>
You can find some additional information on
<a class="moz-txt-link-freetext" href="http://clang-analyzer.llvm.org">http://clang-analyzer.llvm.org</a><br>
<blockquote cite="mid:002b01d23c22$40aab690$c20023b0$@movidius.com"
type="cite">
<div class="WordSection1">
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black">
MartinO<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Book
Antiqua","serif";color:black"><o:p> </o:p></span></p>
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<p><br>
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<pre class="moz-signature" cols="72">--
Best regards,
Aleksei Sidorin
Software Engineer,
IMSWL-IMCG, SRR, Samsung Electronics
</pre>
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